Reliable Calibration: Works in conjunction with the starting point adjustment screw (2-12 psig) for custom pneumatic valve setups

significantly reducing the requirement for internal panel space and dedicated field enclosures

each of the six valves in this pack comes fully assembled with a CD4450 valve core and a heavy-duty brass wrench cap for immediate installation

this 068U1039 orifice is technically validated for use with R32

Utica-Dunkirk 240005543 Burner Tube Reliable Calibration: Works in conjunctionThe Utica Dunkirk 240005543 Burner Tube is a high performance, 1. 5" OD burner tube engineered for long term reliability in specialized combustion systems. Featuring a 22 5 8" overall length, this cast iron boiler burner tube replacement utilizes an advanced venturi design to stabilize flame architecture and optimize gas air mixture, particularly in high demand residential and commercial hydronic applications. This OEM component serves as a direct,